
@BOOK{singh,
   author = {D. J. Singh},
   title =  {Planewaves, Pseudopotentials and the LAPW Method},
   publisher = {Kluwer Academic Publishers, Boston},
   year = {1994}
}

@MISC{exciting,
   title =  {{{\sf EXCITING} code developed under the Research and Training Network 
{\sf EXCITING} funded by the EU, contract No. HPRN-CT-2002-00317}}, 
   url = {http://www.exciting.physics.at},
   year = {2004}
}

